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it seems 295 are the largest tires that can be put on a 16X8 rim with no lift that causes no problems or rubbing, correct? if so, does anybody make a load E rating tire that big? i dont want swampers or anything, just a nice all terain tire. basically, i want the biggest tires for the truck with stock set up, so i'm buying 16x8 rims and need load e tires b/c i load up the bed frequetly...by a lot. any help fellas?
Doesn't this have something to do with the thickness (ply) of the tire?
I think D is 8 ply while E is 10 ply.
Ply rating is the old system of rating tire capacity. In general, you're right, however, "ply" is no longer a true rating system of a modern tire's capacity, especially when dealing with all terrain LT tires. Tires such as the BFG A/Ts and Goodyear Wrangler have very stiff sidewall construction regardless of "ply". Tire thickness is no longer the standard for measuring weight ratings due to advances in construction.
IMHO, as long as the rated weight capacity of the tire is within a couple hundred pounds of the max., you're more than fine with today's tire construction techniques, especially if you're installing a quality LT tire.
That being said, if you routinely load the truck to max. weight or haul a trailer that puts you at your GCWR, it would be wise to invest in an E rated tire.
I've kind of been following this since I have a lifted dually and wanted bigger tires, but didn't know if I should go with a lower load range. Since I work for a trucking company I decided to just go ask the maintenance supervisor. After all the technical jargon was through, he noticed the "deer in headlights" look on my face and explained it this way. The Load Rating is how much weight can be put on the tire vertically, while the Load Range is how much force the tire can handle horizontally. So while a load range D tire may be rated for more weight, it won't be able to handle sideways movement as well as an E range tire before rolling of the rim. So pretty much what Waxy said.